Coffee Loaf is a lovely choice when you want a homemade cake with a rich coffee flavor without making something overly sweet. This loaf has a soft, tender crumb with a noticeable coffee flavor, and the coffee buttercream on top brings everything together with just the right amount of sweetness.
I have always loved the aroma of coffee. There is something about that rich, warm smell that makes you want to step into the kitchen and see what is baking. I also love how beautifully coffee enhances the flavor of chocolate. It can deepen the flavor and bring out those rich chocolate notes without necessarily making a dessert taste like coffee.
If you love the combination of rich flavors in homemade baking, my Banana Chocolate Chip Bread is another comforting loaf to try.
Interestingly, although I love the flavor and aroma of coffee in baked goods, I am not an avid coffee drinker. I drink it occasionally, but when it comes to baking, I am always happy to find ways to incorporate coffee into a recipe. Whether it is a chocolate cake, brownies, or another homemade treat, coffee adds a wonderful depth of flavor that I really enjoy.
That is one of the things I appreciate about this Coffee Loaf. The cake itself is more coffee-forward than sweet. It has a lovely coffee flavor that comes through in every bite without being overwhelmed by sugar. Then comes the coffee buttercream, which adds the sweetness and creamy finish the loaf needs. Together, the cake and frosting create a beautiful balance.
This is the kind of bake I would serve with an afternoon cup of tea, a little coffee, or simply on its own when I want something homemade to enjoy. It is also a nice option when you want a loaf cake that feels a little special without requiring complicated decorating techniques.
If you enjoy coffee-flavored desserts but do not necessarily want a very sweet cake, I think you will appreciate this recipe. It is simple, flavorful, and finished with a buttercream that complements the coffee in the cake rather than competing with it.
If you enjoy homemade loaf cakes, try my Iced Lemon Loaf Cake for a bright citrus flavor and a sweet finish.
A Look Inside This Coffee Loaf Cake
Take a look at the soft crumb and coffee-infused flavor of this loaf as I slice into it. The coffee buttercream adds a creamy finish that balances the cake’s rich coffee flavor.
Why You’ll Love This Coffee Loaf
- A rich coffee flavor. Coffee is the star of this loaf, giving the cake a deeper flavor without making it overly sweet.
- A soft, tender crumb. The combination of melted butter, oil, sour cream, and milk helps create a moist, tender cake.
- The perfect balance of sweetness. The cake is coffee-forward, while the coffee buttercream provides a sweeter, creamy finish.
- Simple ingredients. You can make this loaf with familiar baking ingredients without needing complicated techniques.
- Coffee lovers will appreciate the flavor. If you enjoy coffee in desserts, this loaf is a wonderful way to enjoy that flavor in a homemade cake.
- Lovely for sharing. Slice it for an afternoon treat, serve it to guests, or enjoy a piece when you want something sweet at home.
- No elaborate decorating required. A generous layer of coffee buttercream gives the loaf a finished look without requiring piping skills or special equipment.
Notes on Ingredients
Here is a closer look at the ingredients used to make this Coffee Loaf and what each one contributes to the finished cake.
- Unsalted Butter
Melted unsalted butter adds richness and buttery flavor to the cake. Using unsalted butter also allows you to control the amount of salt in the recipe. Allow the butter to cool slightly before mixing it with the other ingredients so it does not accidentally cook the eggs. - Oil
Oil helps keep the loaf moist and tender. Using both butter and oil gives you the best of two qualities: the flavor of butter and the lasting softness that oil can provide. - Granulated Sugar
Sugar sweetens the cake and contributes to its texture. This recipe uses enough sugar to support the cake’s structure and flavor without making the loaf excessively sweet. - Eggs
Room-temperature eggs mix more easily into the batter and help the ingredients combine smoothly. They also provide structure and help the loaf hold together as it bakes. - Vanilla Extract
Vanilla rounds out the coffee flavor and adds warmth to the overall taste. It is a small addition, but it helps the cake taste more complete. - All-Purpose Flour
All-purpose flour provides the structure for the loaf. Measure it carefully, using a kitchen scale if you have one, or spoon it into your measuring cup and level off the top. Scooping directly into the flour bag can pack in too much flour and produce a heavier cake. - Salt
Salt balances the sweetness and brings out the other flavors in the cake, including the coffee and vanilla. - Baking Soda
Baking soda helps the cake rise and works with the acidity in the sour cream to support a tender texture. - Baking Powder
Baking powder provides additional lift, helping the loaf rise as it bakes. Because this recipe uses both baking soda and baking powder, measure each carefully. - Warm Almond Milk or Other Milk
Warm almond milk adds moisture and helps the coffee dissolve and distribute through the batter. You can substitute another milk you prefer. Avoid making the milk hot; it should be warm rather than steaming. - Sour Cream
Sour cream adds moisture, richness, and a slight tang that balances the sweetness. It also helps create a tender crumb. Bring it to room temperature before mixing so it incorporates more evenly. - Espresso Powder or Ground Coffee
Coffee is the defining flavor in this loaf. Espresso powder is a convenient choice because it is concentrated and generally dissolves readily into warm liquid. If using ground coffee, choose a finely ground option and keep in mind that it may not dissolve completely, so the flavor and texture can differ.For the most consistent coffee flavor, I recommend espresso powder if you have it available. - Unsalted Butter – Softened butter is the base of the buttercream, giving it a rich, creamy texture. Let it soften at room temperature so it whips smoothly.
- Confectioners’ Sugar – This sweetens and thickens the buttercream while helping create a smooth, spreadable consistency.
- Instant Coffee – Dissolved in a small amount of hot water, instant coffee gives the buttercream its coffee flavor. Start with 1 teaspoon for a milder flavor or use 2 teaspoons for a stronger coffee taste. Let the coffee mixture cool before adding it to the buttercream.
How to Make Coffee Loaf
This coffee loaf comes together with a straightforward mixing method. The main things to remember are to prepare your ingredients before you begin, avoid overmixing once the flour is added, and check the cake for doneness before removing it from the oven.
Prepare the Oven and Pan
Preheat your oven to 350°F. Grease your loaf pan thoroughly, making sure to cover the bottom and sides. You can also line the pan with parchment paper, leaving a little overhang to help lift the cooled loaf out more easily.
Having the pan ready before you make the batter keeps the process moving smoothly.
Combine the Wet Ingredients
In a large mixing bowl, combine the melted butter, oil, and granulated sugar. Mix until the ingredients are well combined.
Add the eggs and vanilla extract, mixing until incorporated. Scrape down the sides of the bowl as needed so that everything mixes evenly.
The melted butter should be slightly cooled before you add the eggs. You do not want it hot enough to begin cooking them.
Add the Coffee
Stir the espresso powder into the warm milk until it is evenly distributed. If you are using ground coffee, remember that it may not dissolve completely.
Add the coffee mixture to the wet ingredients along with the room-temperature sour cream. Mix until everything is combined.
At this point, you should begin to notice that lovely coffee aroma. This is one of my favorite parts of baking with coffee. Even though I am not someone who drinks coffee every day, I really enjoy the fragrance and flavor it brings to a homemade dessert.
Mix the Dry Ingredients
In a separate bowl, whisk together the all-purpose flour, salt, baking soda, and baking powder. Whisking helps distribute the leavening agents throughout the flour, reducing the chance of uneven pockets in the finished cake.
Add the dry ingredients to the wet ingredients. Mix gently until the flour is incorporated and no large dry patches remain.
Avoid overmixing the batter. Once the flour is added, mixing more than necessary can develop gluten and make the loaf tougher or denser than you want.
Transfer the Batter to the Pan
Pour the coffee loaf batter into your prepared loaf pan. Use a spatula to spread it evenly into the corners and smooth the top.
Give the pan a gentle tap on the counter to help settle the batter, but there is no need to bang it repeatedly.
Bake the Coffee Loaf
Place the pan in the preheated 350°F oven and bake for 45–50 minutes.
Because ovens and loaf pans can vary, begin checking the cake near the lower end of the baking time. Insert a toothpick or cake tester into the center. If it comes out clean or with a few moist crumbs, the cake is ready. Wet batter on the tester means it needs more time.
If the top is browning before the center is done, loosely cover it with foil for the remainder of the baking time.
Once baked, remove the loaf from the oven and allow it to cool in the pan briefly before transferring it to a wire rack. Let it cool completely before adding the buttercream.
Make the Coffee Buttercream
Once your Coffee Loaf has baked and cooled completely, prepare the coffee buttercream.
Beat the softened butter in a mixing bowl until smooth and creamy. Gradually add the confectioners’ sugar, mixing on low speed at first to keep the sugar from flying out of the bowl. Once incorporated, beat until the mixture is fluffy.
Dissolve 1–2 teaspoons of instant coffee in a small amount of hot water, warm milk or dairy-free milk . Allow the mixture to cool completely, then add it gradually to the buttercream while mixing. Beat until the coffee is evenly incorporated and the frosting is smooth.
If the buttercream is too thick, you can add a tiny amount of additional cooled coffee mixture. Add it gradually so the frosting does not become too thin.
Spread the coffee buttercream over the completely cooled loaf. The sweetness of the frosting complements the coffee-forward cake, creating the balanced flavor that makes this recipe special.
If the buttercream is too soft, it may slide off the loaf. If it is too firm, it can be difficult to spread without tearing the surface. Adjust the consistency according to your buttercream recipe.
Frost and Serve
You can keep the finish simple with a smooth layer or create gentle swirls with the back of a spoon or an offset spatula.
Allow the frosting to settle before slicing. Use a sharp knife and wipe it between cuts for cleaner slices.
The finished loaf should give you a lovely combination of soft coffee cake and creamy frosting. The coffee flavor comes through in the cake, while the buttercream provides that extra sweetness that makes the two work so well together.
Substitutions, Variations, and Tips
Use Your Preferred Milk
Almond milk works in this recipe, but you can substitute another milk you normally use for baking. Choose an unsweetened variety if you want to keep control over the sweetness.
Espresso Powder or Ground Coffee?
Espresso powder is usually the most reliable choice when you want a pronounced coffee flavor without adding coffee grounds to the texture. Finely ground coffee can work, but the flavor may be less evenly distributed, and the grounds may remain noticeable.
Instant coffee can also be an option if it dissolves properly, although its flavor strength may differ from espresso powder.
Add a Chocolate Variation
Coffee and chocolate are a wonderful pairing. If you want to experiment, you could try a chocolate variation by adding chocolate chips or using a chocolate drizzle over the buttercream. Keep in mind that these additions will change the sweetness and texture of the original recipe.
I especially enjoy the way coffee enhances chocolate in baked goods. It can make chocolate taste deeper and more rounded, which is why the combination works so well in cakes, brownies, and other desserts.
If you enjoy coffee-inspired bakes and cozy flavors, my Pumpkin Coffee Cake is another recipe worth adding to your baking list.
Make Sure Your Ingredients Are at the Right Temperature
The eggs and sour cream should be at room temperature. This makes them easier to incorporate into the batter and helps the mixture stay smooth.
The melted butter should be cooled slightly before mixing, and the milk should be warm rather than hot.
Do Not Overmix the Batter
Once you add the flour mixture, mix only until the ingredients are combined. Overmixing can lead to a dense loaf, and gentle mixing helps preserve the tender texture you want.
Check for Doneness Properly
The suggested baking time is 45–50 minutes, but your loaf may need a little more or less time depending on your oven and pan. Check the center with a toothpick rather than relying only on the appearance of the top.
Cool Completely Before Frosting
This is important. Buttercream contains butter, so it can soften, melt, or slide if it is spread over a warm cake. Let the loaf cool completely before frosting.
Adjust the Coffee Flavor Carefully
If you prefer a stronger coffee flavor, you may be tempted to add more coffee powder. Make changes gradually when testing the recipe, since increasing the amount can affect the flavor balance. Record any changes so you can reproduce your favorite version.
Frequently Asked Questions
Does Coffee Loaf Taste Like Coffee?
Yes. This recipe is designed to have a noticeable coffee flavor. The cake itself is more coffee-forward than sweet, while the coffee buttercream adds sweetness and a creamy finish. The result is a balanced loaf rather than a very sugary cake.
Can I Make Coffee Loaf Without Espresso Powder?
You can use finely ground coffee or instant coffee as an alternative, but the result may be different. Espresso powder is often easier to incorporate and gives a concentrated coffee flavor. If you use ground coffee, keep in mind that the grounds may not dissolve completely.
Why Do You Use Both Butter and Oil?
Butter adds richness and flavor, while oil helps the cake stay moist and tender. Using both allows you to enjoy the flavor of butter without sacrificing the softness that makes a loaf cake enjoyable.
Can I Make Coffee Loaf Ahead of Time?
Yes. You can bake the loaf ahead and let it cool completely before storing it. For the best texture, keep it well covered. You can frost it once it has cooled or prepare the frosting separately and finish the cake closer to serving time.
Moist Coffee Loaf with Coffee Buttercream
Ingredients
Equipment
Method
- Preheat the oven to 350°F. Grease a loaf pan and line it with parchment paper if desired.
- In a large bowl, combine the melted butter, oil, and granulated sugar.
- Add the eggs and vanilla extract, mixing until combined.
- Stir the espresso powder into the warm milk. Add the coffee mixture and sour cream to the wet ingredients.
- In a separate bowl, whisk together the flour, salt, baking soda, and baking powder.
- Add the dry ingredients to the wet ingredients. Mix just until combined, taking care not to overmix.
- Pour the batter into the prepared loaf pan and smooth the top.
- Bake for 45–50 minutes, checking the center with a toothpick near the end of the baking time.
- Allow the loaf to cool briefly in the pan, then transfer it to a wire rack and cool completely.
- For the Coffee Buttercream
- Beat the softened butter until smooth and creamy.
- Gradually add the confectioners' sugar, mixing until incorporated.
- Dissolve the instant coffee in a small amount of warm milk and allow it to cool completely.
- Add the cooled coffee mixture gradually to the buttercream, beating until smooth and fluffy.
- Spread the buttercream over the completely cooled Coffee Loaf. Slice and serve.
Notes
- Use 1 teaspoon of instant coffee for a milder flavor or 2 teaspoons for a stronger coffee taste.
- Dissolve the coffee in as little hot water or warm milk or dairy-free milk as practical to avoid thinning the frosting too much.
- Cool the coffee mixture completely before adding it to the buttercream.
- Make sure the loaf is completely cool before frosting.
How to Store Coffee Loaf
Allow the loaf to cool completely before storing it. Because this cake is topped with buttercream, storage depends on the ingredients in your specific frosting recipe and the temperature of your kitchen.
If your buttercream recipe is suitable for room-temperature storage, keep the loaf in an airtight container in a cool place and follow the frosting recipe’s storage guidance. If the frosting contains ingredients that require refrigeration, refrigerate the frosted loaf in a covered container.
For the best texture, let refrigerated slices sit out briefly before serving, as appropriate for the frosting used.
You can also freeze the unfrosted loaf. Wrap it tightly once it has cooled completely, then place it in a freezer-safe bag or container. Thaw it before adding freshly prepared buttercream. For best quality, use within about 2–3 months.
A final reminder: Keep the loaf covered to prevent it from drying out, and always allow it to cool fully before frosting. A little patience at that stage makes a big difference in the finished cake.
Final Thoughts
This Coffee Loaf is a lovely reminder that a cake does not have to be overly sweet to be full of flavor. The coffee gives the loaf its character, while the butter and sour cream help create a tender texture. Then the coffee buttercream brings in the sweetness that rounds everything out.
I especially love the idea of using coffee in baking even when you are not someone who drinks it every day. You can appreciate its aroma, its depth of flavor, and the way it complements other ingredients without needing to reach for a cup every morning.
If you enjoy coffee-flavored desserts, I hope this loaf gives you another recipe to add to your baking rotation. Serve a slice when you want a homemade afternoon treat, share it with family and friends, or save a piece to enjoy later.
If you make this Coffee Loaf, I would love for you to leave a comment and let me know how it turned out. Save the recipe for your next baking day, and explore more simple, homemade recipes here at The Baking Enthusiast. Happy baking!
You May Also Like
If you enjoy homemade cakes and cozy baking flavors, here are a few other recipes from The Baking Enthusiast to try:
- Banana Chocolate Chip Bread
- Brown Butter Chocolate Chip Cookies
- Pumpkin Coffee Cake
- Iced Lemon Loaf Cake
Hi, I’m Priscilla, a baking enthusiast and recipe creator sharing easy baking recipes, simple desserts, and beginner-friendly treats. At The Baking Enthusiast, I focus on creating reliable, step-by-step recipes using everyday ingredients to help you bake with confidence and enjoy the process.